:root{--bg-canvas:#090b10;--bg-surface:#0e1219;--bg-raised:#141a24;--bg-input:#0a0d13;--border-subtle:#1c2331;--border-strong:#2a3449;--text-primary:#f8fafc;--text-secondary:#94a3b8;--text-tertiary:#64748b;--sms-green:#22c55e;--sms-green-hover:#16a34a;--sms-green-subtle:rgba(34,197,94,0.1);--sms-green-border:rgba(34,197,94,0.25);--tax-red:#ef4444;--tax-red-subtle:rgba(239,68,68,0.1);--tax-red-border:rgba(239,68,68,0.25);--font-sans:-apple-system,BlinkMacSystemFont,"SF Pro Display","SF Pro Text","Segoe UI",Roboto,Helvetica,Arial,sans-serif;--font-mono:ui-monospace,"SF Mono",Menlo,Consolas,"Liberation Mono",monospace;--radius-xs:4px;--radius-sm:8px;--radius-md:14px;--radius-lg:20px}*{box-sizing:border-box;margin:0;padding:0}body,html{background-color:var(--bg-canvas);color:var(--text-primary);font-family:var(--font-sans);line-height:1.55;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden;text-rendering:optimizeLegibility}.tnum{font-feature-settings:"tnum" 1}a{color:inherit;text-decoration:none}button{cursor:pointer;border:none;outline:none}button,input{font-family:inherit}.container{max-width:1080px;margin:0 auto;padding:0 24px}.container-narrow{max-width:780px;margin:0 auto;padding:0 24px}.brand-badge{display:inline-flex;align-items:center;gap:8px;padding:5px 12px;border-radius:var(--radius-xs);background:var(--bg-raised);border:1px solid var(--border-subtle);font-size:.78rem;font-weight:500;color:var(--text-secondary);letter-spacing:-.01em}.pulse-indicator{width:6px;height:6px;border-radius:50%;background-color:var(--sms-green);display:inline-block}.btn-solid{display:inline-flex;align-items:center;justify-content:center;gap:8px;background-color:var(--text-primary);color:var(--bg-canvas);font-weight:600;font-size:.92rem;padding:11px 22px;border-radius:var(--radius-xs);transition:all .15s ease;border:1px solid transparent}.btn-solid:hover{background-color:#e2e8f0}.btn-sms{display:inline-flex;align-items:center;justify-content:center;gap:8px;background-color:var(--sms-green);color:#ffffff;font-weight:600;font-size:.92rem;padding:11px 22px;border-radius:var(--radius-xs);transition:all .15s ease;border:1px solid transparent}.btn-sms:hover{background-color:var(--sms-green-hover)}.btn-ghost{display:inline-flex;align-items:center;justify-content:center;gap:8px;background-color:transparent;color:var(--text-secondary);font-weight:500;font-size:.88rem;padding:8px 14px;border-radius:var(--radius-xs);border:1px solid var(--border-subtle);transition:all .15s ease}.btn-ghost:hover{color:var(--text-primary);border-color:var(--border-strong);background-color:var(--bg-surface)}.surface-card{background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-md)}.imessage-bubble-user{background-color:var(--sms-green);color:#ffffff;border-radius:17px 17px 4px 17px;padding:9px 13px;font-size:.88rem;max-width:82%;align-self:flex-end;line-height:1.4}.imessage-bubble-bot{background-color:var(--bg-raised);color:var(--text-primary);border-radius:17px 17px 17px 4px;padding:10px 14px;font-size:.88rem;max-width:86%;align-self:flex-start;line-height:1.45;border:1px solid rgba(255,255,255,.05)}.lockscreen-card{background:rgba(18,24,34,.92);backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);border:1px solid rgba(255,255,255,.1);border-radius:14px;padding:12px 14px}.data-table{width:100%;border-collapse:collapse;text-align:left;font-size:.88rem}.data-table th{padding:14px 18px;border-bottom:1px solid var(--border-strong);color:var(--text-tertiary);font-weight:500;font-size:.78rem;text-transform:uppercase;letter-spacing:.06em}.data-table td{padding:15px 18px;border-bottom:1px solid var(--border-subtle);color:var(--text-secondary)}.data-table tr:last-child td{border-bottom:none}@media (max-width:768px){.nav-desktop{display:none!important}.container,.container-narrow{padding:0 16px}.hero-grid{gap:36px!important}.calculator-grid,.hero-grid{grid-template-columns:1fr!important}.calculator-grid{gap:24px!important}}